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Evolution and domestication of the Bovini species.
Animal Genetics ( IF 2.4 ) Pub Date : 2020-07-27 , DOI: 10.1111/age.12974 K Zhang 1 , J A Lenstra 2 , S Zhang 1 , W Liu 1 , J Liu 1, 3
Animal Genetics ( IF 2.4 ) Pub Date : 2020-07-27 , DOI: 10.1111/age.12974 K Zhang 1 , J A Lenstra 2 , S Zhang 1 , W Liu 1 , J Liu 1, 3
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Domestication of the Bovini species (taurine cattle, zebu, yak, river buffalo and swamp buffalo) since the early Holocene (ca. 10 000 BCE) has contributed significantly to the development of human civilization. In this study, we review recent literature on the origin and phylogeny, domestication and dispersal of the three major Bos species – taurine cattle, zebu and yak – and their genetic interactions. The global dispersion of taurine and zebu cattle was accompanied by population bottlenecks, which resulted in a marked phylogeographic differentiation of the mitochondrial and Y‐chromosomal DNA. The high diversity of European breeds has been shaped through isolation‐by‐distance, different production objectives, breed formation and the expansion of popular breeds. The overlapping and broad ranges of taurine and zebu cattle led to hybridization with each other and with other bovine species. For instance, Chinese gayal carries zebu mitochondrial DNA; several Indonesian zebu descend from zebu bull × banteng cow crossings; Tibetan cattle and yak have exchanged gene variants; and about 5% of the American bison contain taurine mtDNA. Analysis at the genomic level indicates that introgression may have played a role in environmental adaptation.
更新日期：2020-09-12
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